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<a NAME="E1:99_1_1"/>
 <a href="oposet_1.html#K3" target="_self">TrivOrthoRelStr</a>  is <a href="oposet_1.html#V15" target="_self">Pure</a>
 
<b>by </b><i><a class="ref" href="oposet_1.html#D26" target="_self">Def26</a></i>;<br/>
<b>hence </b><a NAME="E2:99_1_1"/>
ex <font color="Olive">b<sub>1</sub></font> being non <a href="struct_0.html#V3">empty</a>  <a href="oposet_1.html#L1" target="_self">OrthoRelStr</a>  st <br/>( <font color="Olive">b<sub>1</sub></font> is <a href="oposet_1.html#V15" target="_self">Pure</a> &amp; <font color="Olive">b<sub>1</sub></font> is <a href="oposet_1.html#V3" target="_self">Dneg</a> &amp; <font color="Olive">b<sub>1</sub></font> is <a href="oposet_1.html#V14" target="_self">PartialOrdered</a> &amp; <font color="Olive">b<sub>1</sub></font> is <a href="oposet_1.html#V1" target="_self">strict</a> )
 ;<br/>


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